←
Old English - (cognate)
←
Old High German - (cognate)
←
Old High German sūr (mention)
←
Latvian *sūrs (mention)
←
Latvian sieru (mention)
←
Old Norse sūrs (mention)
←
Old Norse sýra (cognate)
←
Old Prussian suris (cognate)
←
Old Prussian sur (mention)
←
Ukrainian сир (cognate)